Home / 84,865.78-127,315.05-32,271.15

Finding the Fourth Proportional to 84,865.78, 127,315.05 and 32,271.15

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Solution

The fourth proportional to 84,865.78, 127,315.05 and 32,271.15 is: 48,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,865.78 : 127,315.05 = 32,271.15 : x
  2. Step 2: Convert to fraction form
    84,865.78/127,315.05 = 32,271.15/x
  3. Step 3: Cross multiply
    84,865.78x = 127,315.05 × 32,271.15
  4. Step 4: Simplify right side
    84,865.78x = 4,108,603,075.81
  5. Step 5: Solve for x
    x = 4,108,603,075.81/84,865.78
  6. Step 6: Final answer
    x = 48,412.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.